<template>
  <section class="loginContainer">
      <div class="loginInner">
        <div class="login_header">
          <h2 class="login_logo">硅谷外卖</h2>
          <div class="login_header_title" >
            <a href="javascript:;" :class="{'on':loginWay}"     @click="loginWay=!loginWay">短信登录</a>
            <a href="javascript:;"   :class="{'on':!loginWay}"  @click="loginWay=!loginWay">密码登录</a>
          </div>
        </div>
        <div class="login_content">
          <form>
            <!-- 短信登录 -->
            <div   :class="{'on':loginWay}"    >
              <section class="login_message">
                <input type="tel" maxlength="11" placeholder="手机号" v-model="phone">

                <!-- " -->
                <button  class="get_verification"   :disabled= "!isRightPhone || !isgoing"   @click.prevent='getverCode'>  {{   currentTime==30? '获取验证码' :  `还剩${currentTime}秒`}}  </button>
              </section>
              <section class="login_verification">
                <input type="tel" maxlength="8" placeholder="验证码"   v-model="code">
              </section>
              <section class="login_hint">
                温馨提示：未注册硅谷外卖帐号的手机号，登录时将自动注册，且代表已同意
                <a href="javascript:;">《用户服务协议》</a>
              </section>
            </div>

            <!-- 手机密码登录 -->
            <div   :class="{'on':!loginWay}" >
              <section>
                <section class="login_message">
                  <input type="text" maxlength="11" placeholder="手机/邮箱/用户名"  v-model="name">  
                </section>
                <section class="login_verification">
                  <input type="text" maxlength="8" placeholder="密码" v-model="pwd">
                  <div class="switch_button"  @click='switchShow'  :class=" isShow ?'off':'on'">  
                    <div class="switch_circle"   :class=" isShow ?'':'right'"  ></div>
                    <span class="switch_text">{{isShow ?'...':'abc'}}</span>
                  </div>
                </section>
                <section class="login_message">
                  <input type="text" maxlength="11" placeholder="验证码" v-model="captcha">
                  <img class="get_verification" src="http://localhost:3000/captcha" alt="captcha" @click.prevent='getCode'>
                </section>
              </section>
            </div>
            <button class="login_submit"  @click.prevent='goLogin'>登录</button>
          </form>
          <a href="javascript:;" class="about_us">关于我们</a>
        </div>
        <a href="javascript:" class="go_back"  @click='$router.go(-1)'>
          <i class="iconfont icon-jiantou2"></i>
        </a>
      </div>


      <AlertTip v-show='alertFlag'  :alertText='text' @alertcloseTip='close'></AlertTip>
    </section>
</template>


<script>



import {reqPhoneCode,reqPwdLogin,reqPhoneLogin} from '../../api//index'

import {mapState,mapActions} from 'vuex'


import  AlertTip  from '../../components/AlertTip/AlertTip'

export default {
    props: {

    },
    data() {
        return {
          loginWay:true,  // 表示短信登录
          name:''   ,  //用户名
          pwd:'',    //用户密码
          captcha:'', //图形验证码
          // checkcaptcha:''

          isShow:true,     //  密码显示与隐藏
          alertFlag:false,// 默认是否显示我们弹框组件
          text:'',//提示信息,
          currentTime:30,
          timerId:null,
          phone:'', //手机号码
          code:'',  //手机短信验证码
          infos:{},

        };
    },
    computed: {

      ...mapState(['userInfo']),

      isRightPhone() {
        return  /^1\d{10}$/.test(this.phone)
      },

      isgoing() {
           return this.currentTime==30
      }

    },
    created() {

    },
    mounted() {

      // console.log(this.userInfo)

    },
    watch: {

    },
    methods: {

      ...mapActions(['asyncgetuserLogin' ,'asyncPhoneLogin' ]),


    //获取验证码
      getCode(e){
        // alert(1)
     console.log(e.target)
    //  src  天然就带有的跨域 
    //  其实是同一个请求  但是服务器会缓存 如果不想让服务器缓存 那么在请求后面加上一个时间
     e.target.src='http://localhost:3000/captcha?date='+new Date();
    //  this. checkcaptcha
     

      },



      //实现登录功能
      goLogin(){
        // 需求 1 需要知道是短信登录还是用户名登录   2 搜集用户信息 3  发送请求
        if( this.loginWay) {
          // 短信登录

             this.getPhoneLogin()
        


        }else {
           // 用户名登录
          this.getuserLogin()
           


        }



      },


      // 手机短信验证登录 
         async getPhoneLogin() {
          // 1 判断 手机号码不能为空 
          // 2 判断 验证码对不对 不能为空
          // 3 发送请求 
          if(!this.phone.trim()) {
         alert('手机码不能为空')
            return false

          }

          if(!this.code.trim()) {
              alert('验证码不能为空')
            return false

          }


           
          this.asyncPhoneLogin( {phone:this.phone,code:this.code})
             this .infos =await  reqPhoneLogin({phone:this.phone,code:this.code});
             console.log(this.infos)

             
        if(this.infos.code==0) {
          this.$router.push('/profile')
        }




        },


      //实现到计时功能 获取验证码  

       async   getverCode(){
        // alert(1) 

        clearInterval(this.timerId);
        //1 实现到计时  30s  
         
         this.timerId= setInterval(() => {

            this.currentTime--;
        
             console.log( this.currentTime)
             if( this.currentTime<=0) {
              this. currentTime=30;

                clearInterval(this.timerId)
             }
          }, 1000);

        //2  发送请求 获取验证码 

        let  result=  await reqPhoneCode(this.phone)
           console.log(result);

           if(result.code===0) {
              alert('获取验证码成功')
           }



      },




        async  getuserLogin(){
        let {name,pwd,captcha}=this;
        if(!name.trim()) {
          // alert('用户名不能为空')
          this.isFlagAlter('用户名不能为空')

          return  false
        }
         if(!pwd.trim()) {
          // alert('密码不能为空')
             this.isFlagAlter('密码不能为空')
          return  false
        }
         if(!captcha.trim()) {
          // alert('图形验证码不能为空 或者不对')

             this.isFlagAlter('图形验证码不能为空 或者不对')
          return  false
        }


       this. asyncgetuserLogin({name,pwd,captcha})
        this.infos=   await reqPwdLogin({name,pwd,captcha})
        console.log(this.infos.data._id)

        if(this.infos.code==0) {
         let id=this.infos.data._id;
         window.localStorage.setItem('userInfoId',id)
         
          this.$router.push('/profile')
        }







      },

      //switchShow 切换 密码显示与隐藏
      switchShow(){

        this.isShow=!this.isShow
          
      },


      //如果没输入内容 显示弹框内容方法
      isFlagAlter(text){
        this.alertFlag=true,
        this.text=text


      },

      //关闭弹框 
      close(){
         this.alertFlag=false
      }

    },
    components: {
      AlertTip

    },
};
</script>

<style scoped  lang='stylus' >
@import "../../common/stylus/mixins.styl"
 .loginContainer
      width 100%
      height 100%
      background #fff
      .loginInner
        padding-top 60px
        width 80%
        margin 0 auto
        .login_header
          .login_logo
            font-size 40px
            font-weight bold
            color #02a774
            text-align center
          .login_header_title
            padding-top 40px
            text-align center
            >a
              color #333
              font-size 14px
              padding-bottom 4px
              &:first-child
                margin-right 40px
              &.on
                color #02a774
                font-weight 700
                border-bottom 2px solid #02a774
        .login_content
          >form
            >div
              display none
              &.on
                display block
              input
                width 100%
                height 100%
                padding-left 10px
                box-sizing border-box
                border 1px solid #ddd
                border-radius 4px
                outline 0
                font 400 14px Arial
                &:focus
                  border 1px solid #02a774
              .login_message
                position relative
                margin-top 16px
                height 48px
                font-size 14px
                background #fff
                .get_verification
                  position absolute
                  top 50%
                  right 10px
                  transform translateY(-50%)
                  border 0
                  color #ccc
                  font-size 14px
                  background transparent
              .login_verification
                position relative
                margin-top 16px
                height 48px
                font-size 14px
                background #fff
                .switch_button
                  font-size 12px
                  border 1px solid #ddd
                  border-radius 8px
                  transition background-color .3s,border-color .3s
                  padding 0 6px
                  width 30px
                  height 16px
                  line-height 16px
                  color #fff
                  position absolute
                  top 50%
                  right 10px
                  transform translateY(-50%)
                  &.off
                    background #fff
                    .switch_text
                      float right
                      color #ddd
                  &.on
                    background #02a774
                  >.switch_circle
                    //transform translateX(27px)
                    position absolute
                    top -1px
                    left -1px
                    width 16px
                    height 16px
                    border 1px solid #ddd
                    border-radius 50%
                    background #fff
                    box-shadow 0 2px 4px 0 rgba(0,0,0,.1)
                    transition transform .3s
                    &.right
                      transform: translateX(27px)
              .login_hint
                margin-top 12px
                color #999
                font-size 14px
                line-height 20px
                >a
                  color #02a774
            .login_submit
              display block
              width 100%
              height 42px
              margin-top 30px
              border-radius 4px
              background #4cd96f
              color #fff
              text-align center
              font-size 16px
              line-height 42px
              border 0
          .about_us
            display block
            font-size 12px
            margin-top 20px
            text-align center
            color #999
        .go_back
          position absolute
          top 5px
          left 5px
          width 30px
          height 30px
          >.iconfont
            font-size 20px
            color #99
</style>
